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When getting started in DIY solar it can be a bit confusing sizing your system and trying to understand how many PV panels you actually need. I will run you through an example that will show that just adding out each panel power output might not work so well when you are trying to right-size your system.

Chapters
0:00 Intro
0:56 What Are Standard Test Conditions (STC)
3:37 Getting The Right System Size For Your Home
4:35 Power Output Factor 1 - Panel Mounting Direction
5:08 Power Output Factor 2 - Panel Mounting Angle
6:28 Power Output Factor 3 - Wire Gauge Sizing
7:35 Power Output Factor 4 - Dirty Panels
8:15 Power Output Factor 5 - Shading From Trees or Structures

DISCLAIMER: This video and description contain affiliate links, which means that if you click on one of the product links, I’ll receive a small commission.